CVE-2017-6542
PuTTY SSH RCE Buffer Overflow
Description
The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.
INFO
Published Date :
March 27, 2017, 5:59 p.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-6542 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2017-6542
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-6542.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
PuTTy, windows SSH client and about it's few vulnerabilities.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-6542 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-6542 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html Added Reference http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html Added Reference http://www.securityfocus.com/bid/97156 Added Reference http://www.securitytracker.com/id/1038067 Added Reference https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8 Added Reference https://security.gentoo.org/glsa/201703-03 Added Reference https://security.gentoo.org/glsa/201706-09 Added Reference https://www.exploit-db.com/exploits/42137/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8 [No types assigned] Removed Reference MITRE https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 -
CPE Deprecation Remap by [email protected]
Oct. 30, 2018
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:opensuse_project:leap:42.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 13, 2017
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/42137/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 12, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1038067 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201706-09 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 31, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html No Types Assigned http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html Patch, Vendor Advisory Changed Reference Type https://security.gentoo.org/glsa/201703-03 No Types Assigned https://security.gentoo.org/glsa/201703-03 Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/97156 No Types Assigned http://www.securityfocus.com/bid/97156 Third Party Advisory, VDB Entry Changed Reference Type https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 No Types Assigned https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 Patch, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:putty:putty:0.67:*:*:*:*:*:*:* (and previous) Added CPE Configuration OR *cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse_project:leap:42.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 30, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97156 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-6542 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-6542
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
25.84 }} -20.92%
score
0.95801
percentile